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首页 > 过刊浏览>2019年第20卷第1期 >90-99. DOI:10.13430/j.cnki.jpgr.20180707001
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玉米SAUR基因家族的鉴定与生物信息学分析
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基金项目:

国家重点研发计划(2016YFD0300207;2016YFD0300103）


Identification and Bioinformatics Analysis of Maize SAUR Gene Family
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National key research and development plan,(2016YFD0300193

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    摘要:

    为研究玉米早期应答生长素基因SAUR(Small auxin-up RNA)家族，本研究采用全基因组信息鉴定出91个玉米SAUR基因，命名为ZmSAUR，并分析了玉米SAUR家族成员的基因结构、氨基酸特点、染色体定位和基因进化。结果表明,SAUR基因家族在染色体上呈现不均匀分布，其中2号染色体上数量最多为22个，基因的扩增模式为分散复制与片段复制。SAUR基因家族具有相对保守的结构，即包含1个保守的Rna DNA结构，SAUR蛋白的3D结构含有3个α螺旋和3个β折叠。根据多物种SAUR蛋白进化树分析将其分为9个分支，并分析发现玉米与物种相近的谷子聚在一起。这些信息为玉米SAUR基因家族功能分析奠定了一定的工作基础。

    Abstract:

    In order to study the small auxin-up RNA (SAUR) family of maize, this study identified by the genome-wide prediction approach 91 SAUR genes which named ZmSAURs, and analyzed the gene structure, amino acid characteristics, chromosomal location and genetic evolutionof ZmSAURs. The results showed that, the SAUR gene family were unevenly distributed on the chromosome, while the chromosome 2 up to 22 ZmSAURs. The amplification pattern of the gene was dispersed replication and fragment replication. The SAUR gene family has a relatively conserved structure, e.g. a conserved RNA DNA structure and the 3D structure of the deduced proteins that generally contained three alpha helices and three beta sheets. The phylogenetic tree analysis revealed 9 branches of SAUR proteins among species. As expected, SAURs in corn and relative millet (Setaria italic) were clustered together. Thus, this information provided by this work might be useful in future functional characterization of the maize SAUR gene family.

    Key words:maize; auxin; SAUR
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郭栋,杜媚,周宝元,等.玉米SAUR基因家族的鉴定与生物信息学分析[J].植物遗传资源学报,2019,20(1):90-99.

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  • 收稿日期:2018-07-07
  • 最后修改日期:2018-11-08
  • 录用日期:2018-08-09
  • 在线发布日期: 2019-01-14
  • 出版日期: 2019-01-16
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